 Williams went undrafted by an NBA team and started to play with the NBA Development League's Dakota Wizards, averaging 12.1 points, 12.3 rebounds and 3.08 blocks in 12 games.He was signed by the Sacramento Kings to a first 10-day contract on January 5, 2007.After the Kings released power forward Maurice Taylor on January 23, Williams was signed for the rest of season after his two 10-day contracts expired.